1. Why do researchers need to use statistical reasoning?

  1. What is the difference between the mode, median and mean?
    • Mode: the most frequent occurring number
    • Median: the middle number in a set of numbers
    • Mean: the average.
  2. Where should the independent and dependent variables be located if data is graphed?

  1. What are the five main guidelines established by the American Psychological Association for ethical research?
    1. Informed consent:
    2. Freedom from coercion:
    3. Protection from physical and psychological harm:
    4. Risk- benefit rule:
    5. Debriefing: